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G. MERLE, SR

CONDENSER Filed Feb. 17. 1926 Patented Oct. 2, 1928.

PATENT errace.

sI0RGE' 11rERI.E, sR.; or BROOKLYN, NEW YORK.

i r r CONDENSER.

5 Application filed February "Thisinvention relates to condensers and particularly .to variable condensers, such as are-commonly employedjn radio. apparatus; and'thefobject of th 'invention is to; pro'ide a variable condenser Whiehinaddition to-the usual 1 variable features -"-is constructedto provide for a variation in the capacity of the condenser-to give the condenser a; broader usage-sand; toJefi'eeth-more; accurate and: posi: hive tuning a furthen obj ectgbeing to pro 'videa? condenser .off theela ss speeified corn: "posed-ref; a plurality-pf --movahle condenser units,eaehiuniheonsistingpf a. plurality of movable iplates, ;;1 vhieh .Ias-;a innit ,may be mbfiedonadjusted,relativelytothemorzablc plates of? another mnitg: {or units whereby,- the capacityiof onei condenser unit; mayghe creased and decreased by a djustmez rt rela tirely t-o. 01181101 a'morer-other; hinte land may be varied in either foi :01); all Efof said units; a further object being to proYide n1eans vhereby one? oiminore of the movable condenser units; may be adjnste'fl, relatiyely; to the. other u'n'it land;- m'oyed.-;-in to inoperative: position with 5 referenceto,- the single knob eontro l andoperating means employed for all of. the units a st'rll further obrjeetheing to provide, in i'conjiunetipn -with :said: moable; condenser innitstast-ationary orstator ;pla t'e; units in con,- neebioni iwith tvhiehgthe separatmmoyable or rotary 1 plate units cooperate -;3 and with these and other objects in vien nthe inyentioneonsists,ini-m-eondenSGmof the lass for-the P rp p tfiedm hi h: fis-emple ili tie.- structi'om .and epemti ni i fi ie t i afid which is constnuotedg ahereinafter described a d= imed;... .m-Theinventionas; iully d sclosed an; the fol;- lowing' specification, of wh eh the aecomr .pam'ing'%dtawing;forn1s a,part,g in 'n hi chtthe sepanat-e ;pa1ft s ojf 1ny' -,i n1proverne11t ,are des ignatedi :by suitable; reference eharacters in eaehtofttherxiiews and-inm hieh 5 Figmfl; is ax faee \'iew-!o,-a-,..parti: a panel snowing; improvedcondenser. mounted in oonnegtflonltherew ith, ,with: parts of the hon; -s'.truc ti'o1r bmken away. I and seetion. -Fig.- 2 isa; partial sectioneon the line 2- 2 Q :I-II'H. I mFig; 3 sea diagrammatieyiew showing an adjusted arrangement; of the plates-of. the separate movableeondenser units employed; -and,.

tis a face vienrof modified form 17, 1926. Serial No. 88,777.

members 5 and 0 eentrzillyfoflthe sidewalls thereefu The frontendsof said-shafts ex.- tend gbeyond the frontfrarne-f) and are adapted to .pass ,"through the parietle of a radio apparatns;,v Mounted on the freends qf said sl aftsa-re operat-iiig;knohs .16 having ayonet ap,rtu res l'Z to; receive 18 'on the shaft s 11,1 0; 14 ihtiltESii-ZQ whereby gears 19;, on the sleeve portions ofthe lino bis. 16 may be moved andout of engagement with 'E i-YQ ag ,1520 -,on a QentraLshaft 21', mounted irijthefraine. 5 to extend through the pa-ne l .1 5, i and prorided at its outer end with a knoli jvhich the shaft 21 and gear 2,0: r naylherotated, Springs 23 are mountedu ithin the linbhs and around the i shaftsigll to 1 inelasive t o' r1 o'rma lly hold h has. 1. i .fil P sit on, shown iJhe c Ia iDe- BY tmli gfi e i. eaii ad me n sionpf a d. springs and moeing thep ,Sffrethe foi'rcnmferwarm ne b y t pe-r e t;as

mem eape lie i ste i Mien a t is .;,-Whe n la]! jgf t e, en 9. stein ,msn wmi the gearfiQ and the rotor plates of. the sepa} rate qon dense;- units 7 8,29. analoa in the position shown in' Fig. '1 A thefdrawinglthe et te g t de we p -t snil .fotm stantially js'gtnar bod ,ofall ofa said 'con r i i t n t aiz 'fll; e ip' l -P on at 611011 side ofeach ,plate; 9" rig; corresponding portions at one side; of triootherv plates, For example. the jpla'te j of the condenser unit 8 elhptieally engage corresponding portions of t-h plates of adjacent units Tandfl, it be} ing understood that the plates of the opposite units 7 and-9+8 and 10 are in common alinement as elearly' s eeninFig. iof the drawing. while the platesof: the oppositely arranged units? and 9 are intermediate and positioned centrally of. andfbetween'l the Inf.

' oione or more of jsaidimits may-fbe plates of the condensers 8 and 10. By rotating the ltiioh 'dizilBQ in one direction, all'ot the condenser 'nnits 'i'vill be rotated'and the plates 'of such units will gradually move outwardly to apositionat-ninetydegrees to that shown in Fig. 1 of the drawing, in which position, the plates of all of the condenser units are out of operative relation and the same result may be accomplished byrota'ting the knob dial 22 in an opposite direction to the first named directionifO n the other hand, if any one of the condenser units is retained in stationary position by thedisengageme'nt of the gear19 (if stich nnit fr'om the gear 20, it: ivill be necessary to rotate the adjacent unit or units through an arc ofone hundred and eighty degrees to entirely move the same o'tit of operative engagement with such stationary ulllt. tRri'll'ixlk b'e un'd' rstood th'at'by virtueof the adjustment employedyall of the units inziy be" a'dj iste'd into a position similar to that. diagrammatically shown in" Fig. 3 of the drawing, in which figures the plates of zthje'uiiittl are ina position fsimila'r to the j'osition assumed'by the plates of'such' unit in'Fig. 1,015 the'difawing, whilethe'plates of t; eunit Sare arranged ata'n angle of fortyfi, e'degifees: to the firsti named iimt, the plates of thegunit 7' at ninety degrees, and the 'pl-zite'sibf the fuir it"" :atone' hundred and thirty fivejdegrees to the unit 9,-and with the plates such adjusted position; they may be" all simultaneously'operated through the single control and operating .knob diall'l e stationary given adjusted Position. It war alsoapparent that any desired i a'dnstment and operation of the several units may operateto produce, in a single condenser deviee 'ot'a given'number of plates-in ea ichfunit'employed', a widely varying and lo'i'i'g range of tuning; "It must further understood that i the I number of ;.'plates employed in 'eachunit may be "arranged w'saa the particular apparatus inconnection with which the condense'ij device is to'be employed, thefnurnber of. plates shown in the zicjcornpanyinggdrayving.being merely for illustra'tive'purpos' sf i 1 In' theuse' of thecondenser device,'- it will peed-di sthod 'tliafttlie circuit wires may-be lc oupl'ed f it-ll" t'he jfseparate condenser units "nid'sired 'jhanner in the control ofa ft-ip'licity of circuits or' tuning coils, Xa'nipl'e; oppositely arranged condense iits' '8 and 10 may be coupled tiyith 'ci jne wilebfafcircuit or coil and the other opposedfc'oiideh'ser units 7 and 9 with the' other wire of said circuit or coil.

that the construction shown inTigs. 1 to 3 inclusive "consists of a plurality of conde'nser'iinit's, tlie'plat'es "of allof which-may be moved relatively to each other or one or From' thei eg n t-w' be apparent more of the units may be retained in st-a tion'a ry position to function as stator lates, and thc'platcs of'the other units mover relatively thereto. In Fig. 4 of the drawing, I have shown aniodification, in which I have shown positioned outwardly of the movable units 7, 8, 9 and 10, stator plate units 7*, 8, 9 and 10" with which the respective movable p'late'units 'are'adapted to cooperate. \Vith .this form of construction, the stator plate units 71(r respectivelynnay he'placed' in predetermined circuits orif desired, con: stitute a single circuit andthe movable =plate units 7 to 10 inclusive may operate in every respectthe same. as the operation thereof hereinbefore described with relation to Figs. 1 1'03 inclusive. I f

-It will be'understoodthat I am not nec+ cssarily limitedto the speeific'shape or'form of the movable condenser units herein shown and describech'noram l necessarily limited to the specific meansoftheir operation; and various other changes in and-modifications of the construction herein shown and described', may be 'made i'vithin t-hef-scope of: the appended claims, Without departiirgfrdm thespirit-o'li' my invention or sacrificing its advantages.

Having *fnlly describe'd myi invention, whatIcl'aim as =new-and desire to secure by Letters Patent, is:' f

' condenser "of t-he-class described including-a plurality of movable condenser units; said un-it-sbeingarranged=side by side and in oppositelyarranged pairs,.the plates of op msitiely an'anged=pairs of u-nits being in c0mmon alinement' and-in spaced relation'andthe plates otthe units at thesside s of "each unit being: in "cooperative: relation 'Witlr-snchuiiit and positioned in the-plane betifi'eeri and ire-spaced relation -with the plates of such unit; 5 '2." A condenser-of the 'classfdescribed =incl fding a plurality of m'ovable c0n denser units, said units beingarranged 'sideby side and in oppositely arranged pairs; the ='plates of oppositely arranged pairs of-uhits being in common alinement and in spaced relation and the plates-of the units at the sides-0f each unit being'in*rooperative relation with such unit aind positioned in the plane between and in spaced rela-t-ion withfl therplates of such unit, andmeans-whemhy all of said units may be simultaneously operated/ 3. A condenser of the class-described including a plurality of movable condenser units; said units being-arranged side by side and in oppositely arranged-pairs, the .plates of oppositely arranged pairs of units-being in common alinement 'a'nd='i'n spacedrelation andt-heplatcs of the units at thesicles of each unit. lieing' iii-cooperative relation with such unit and positioned inthe plane li e'twccn 'andin spat-ed re-hitiow with the plates oi such unit, means whereby all of said units may be simultaneously operated, and means for independently adjusting and operating the separate units.

4. A condenser of the class described including a plurality of movable condenser units, said units being arranged side by side and in oppositely arranged pairs, the plates of oppositely arranged pairs of units being in common alinement and in spaced relation and the plates of the units at the sides of each unit being in cooperative'relation with such unit and positioned in the planebetween and in spaced relation with the plates of such unit, means whereby all of said units may be simultaneously" operated, means for independently adjusting and operating the separate units, and said last named means permitting the separate units to be held stationary in the operation of each or all of the other units.

5. A condenser of the class described ineluding a plurality of movable condenser units, said units being arranged side by side and in oppositely arranged pairs, the plates of oppositely arranged pairs of units being in common alinement and in spaced relation and the plates of the units at the sides of each unit being in cooperative relation with such unit and positioned in the plane between and in spaced relation with the plates of such unit, means whereby all of said units may be simultaneously operated, means for independently adjusting and operating the separate units, said last named means ermitting the separate units to be held stationary in the operation of each or all of the other units, and stator plate units for each of the movable plate units.

6. A condenser of the class described including a frame consisting of two frame members mounted in spaced relation, a plurality of movable condenser units mounted in and between said frame members, the plates of each condenser unit being adapted to he moved into and out of cooperative relation with the plates of other units disposed at the opposite sides of such unit, the plates of the second named units being spaced intermediate the plates of the first named unit, a control and operating means for each unit, and means cooperating with the last named means for actuating all of said units.

7. A condenser of the class described including a frame consisting of two frame members mounted in spaced relation, a plurality of movable condenser units mounted in and between said frame members, the plates of each condenser unit being adapted to be moved into and out of cooperative relation with the plates of other units disposed at the opposite sides of such unit, the plates of the second named units being spaced intel-mediate the plates of the first named unit, a control and operating means for each unit, means cooperating with the last named means for actuating all of saidunits, and said first named means being movable into inoperative position with relation to said last named means.

8. A eondenser ot the classdescribed including a frame consisting of two frame members mounted in-spaced relation, a plurality of movable condenser units mounted in and between said frame members, the plates of eachcondenser unit being adapted to be moved into andout of cooperative relation with the plates of, another unit or units disposed at the opposite side or sides of such unit, the plates of thesecond named unit orunits being spaced intermedi atethe plates of the first named unit, a controland operating means for each unit, means cooperating with the last named means for actuating all of said units, said first named means being movable into inoperative position with relation to said last named means, and stator plate units adjacent the movable plate units and in connection with which said movable plate units are adapted to operate.

9. In a variable condenser, a plurality of movable condenser units arranged side by side and in opposite relation, and the plates of each unit being adapted to cooperate with segment portions of the plates of units at opposite sides thereof in the operation of the condenser.

10. In a variable condenser, a plurality of movable condenser units arranged side by side and in opposite relation, the plates of each unit being adapted to cooperate with segment portions of the plates of units at opposite sides thereof in the operation of the condenser, and stator plate units adjacent each of the movable plate units and in connection with which the plates of the movable units operate.

11. A condenser of the class described including a. plurality of movable condenser units, two of said units being in inoperative relation with each other and another unit interposed between the first-named units, and the plates thereof being intermediate the plates of the first-named units and cooperating therewith.

12. A condenser of the class described in cluding a plurality of movable condenser units, two of said units being in inoperative relation with each other and another unit interposed between the first-named units, the plates thereof being, intermediate the plates of the first-named units and cooperating therewith, and means for operating each of said units.

13. A condenser of the class described including a plurality of movable condenser units, two of said units being in inoperative relation with each other and another unit interposed between the first-named units, the

plates tlier'eofbei'ng' intermediate the plates of the first-named units and cooperating therewith, and means for simultaneously operating all of said units.

14. it condenser of the class described including a plurality of movable condenser units, two of said units being'in inoperative relation with each other and another unit interposed' between the first-named units, the plates thereof being intermediate the plates of the firstnamed units and cooperating therewith, means for simultaneously operating all of said units, and means for adjust ing each unit with relation to the-other unit.-

15. A c'ondens'er of the clas's described including a plurality of movable condenser Item-s34 my invention: I have signed my name this.

I GEORGE MERLE; SR. 

